| Comparison : | Item # D-38T-155-3N, Commercial Flue Damper Electronic Ignition Energy Saver Gas Water Heaters Item # D-38T-155-3X, Commercial Flue Damper Electronic Ignition Energy Saver Gas Water Heaters
 Item # D-38T-155E-3N, Commercial Flue Damper Electronic Ignition Energy Saver Gas Water Heaters
 Item # D-38T-155E-3X, Commercial Flue Damper Electronic Ignition Energy Saver Gas Water Heaters
 Item # D-65T-370-3N, Commercial Flue Damper Electronic Ignition Energy Saver Gas Water Heaters
 
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